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  3. may you please draw phasor diagram for each case a

may you please draw phasor diagram for each case and explain. the answer will be highly...

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Electrical Engineering

may you please draw phasor diagram for each case and explain.the answer will be highly appreciated

A 3-phase star- connected alternator has a resistance of 0.5 Ωand a synchronous reactance of 5 Ω per phase. It is excited to give6600 V (line) on open circuit. Determine the terminal voltage andper unit voltage regulation on full load current of 130 V when theload power factor is
a. 0.8 lagging [V=3340V, V.R= 14.1%]
b. 0.6 leading [V=4.260 V, V.R=-10.6%]

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